Bulletin 71.1:67C
2
Features
• Compact—The 67C Series regulators are engi-
neered for outstanding performance in a compact,
light-weight package.
• Panel Mounting—Panel mount construction
includes spring case with 1/4-inch NPT vent,
handwheel adjusting screw, and mounting nut.
• Instrument Supply Regulator—The Types 67CF,
67CFR, 67CFS, and 67CFSR provide a clean air
supply to a variety of pneumatic and electro-pneumatic
instrumentation.
• Digital Instrument Supply Regulator—Designed
for the accuracy, repeatability, and hysteresis de-
mands of digital instrumentation.
• Pilot Supply Regulator—Improves the accuracy
of two-path control regulators by reducing inlet sensi-
tivity caused by fluctuating inlet pressures.
• Pressure Loading Regulator—Provides accuracy
and improved performance in dirty steam service by
eliminating the need for a pilot regulator (see figure 3).
• Sour Gas Service Capability—NACE MR0175 and
MR0103 compliant construction available.
• Optional Stainless Steel Construction—The
Types 67CS, 67CSR, 67CFS and 67CFSR provide high
resistance to corrosion especially beneficial in offshore
applications.
• Full Usable Capacity—Fisher regulators are
laboratory tested. 100 percent of the published
capacities can be used with confidence.
• Internal Relief—The Types 67CR, 67CSR, 67CFR,
and 67CFSR have an internal relief valve with a soft
seat for reliable shutoff with no discernible leakage.
These regulators are recommended for conserving
plant air.
• Smart Bleed™—Opens to exhaust downstream
pressure when inlet pressure drops below outlet
pressure. Recommended for deadend service.
• Integral Filter—The Types 67CF, 67CFR, 67CFS,
and 67CFSR have an integral filter ensuring clean
downstream air supply.
• Ease of Maintenance—No special tools are
required to perform maintenance, and all maintenance
can be performed with the regulator in the line. Filter
elements are easily replaced. The one-piece valve
plug cartridge allows easy inspection and replacement.
• Rugged Construction—The 67C Series regulators
are engineered for longer service life with minimal
maintenance requirements.
• Second Outlet—Body side outlet for pressure
gauge or other uses.
• Powder Paint Coating—Types 67C, 67CR, 67CF,
and 67CFR are powder paint coated, offering impact,
abrasion, and corrosion resistance. Stainless steel
regulators (Types 67CS, 67CSR, 67CFS and 67CFSR)
are not painted.
• Corrosion Resistant Fasteners—Bolting and
adjusting screw are double zinc-chromated for en-
hanced corrosion resistance. Optional stainless steel
bolting and adjusting screw are also available.
Introduction
The 67C Series regulators are typically used to provide constantly controlled, reduced pressures to pneumatic and
electropneumatic controllers and other instruments. These direct-operated regulators are suitable for most air or
gas applications. Other applications include providing reduced pressures to air chucks, air jets, and spray guns.
Table 1. Outlet Pressure Ranges and Control Spring Data
epyT
,SEGNARERUSSERPTELTUO
)rab(GISP
ATADGNIRPSLORTNOC
roloClairetaMrebmuNtraP)mm(hcnI,retemaiDeriW
,RC76,C76
RFC76,FC76
02ot0
53ot0
06ot0
521ot0
)4,1ot0(
)4,2ot0(
)1,4ot0(
)6,8ot0(
epirtsneerg
revlis
epirtseulb
epirtsder
er
iWcisuM
210T90870EG
2100T95041T
2100T85041T
2100T06041T
531.0
651.0
071.0
702.0
)34,3(
)69,3(
)23,4(
)62,5(
53ot0
0
6ot0
521ot0
)4,2ot0(
)1,4ot0(
)6,8ot0(
epirtsrevlis
eulb
der
lenocnI
2100T31141T
2100T41141T
2100T51141T
651.0
271.0
702.0
)69,3(
)73,4(
)62,5(
,RSC76,SC76
RSFC76,SFC76
02ot0
53ot0
06ot0
521ot0
051ot0
)4,1ot0(
)4,2ot0(
)1,4ot0(
)6
,8ot0(
)3,01ot0(
neerg
epirtsrevlis
eulb
der
kcalb
lenocnI
210X9271C01
2100T31141T
2100T41141T
2100T51141T
210X03
71C01
531.0
651.0
271.0
702.0
052.0
)34,3(
)69,3(
)73,4(
)62,5(
)53,6(
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